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Ubuntu boot takes long time, and on boot I get these errors:

enter image description here

Similar errors appear on shutdown (which is also slow), however Windows 10 on the same SSD boots normally. I tried to reinstall Ubuntu, but that fixed nothing and same errors occur when I boot from live USB. What's the problem and how can I try to fix it?

karel
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Sepfins
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    This is likely a hardware problem with your disk. In the best case, it might be a loose or broken cable which needs to be replaced, but I also heard of other seemingly unrelated damaged components like power supplies being able to cause this. Worst case, the drive itself or a disk controlling component on the mainboard might be broken. First step I'd check the disk's SMART status (open e.g. Gnome Disks in Ubuntu or use smartctl from the terminal) and run a disk self-test. You can also try unplugging the disk and replugging it e.g. in a different socket and with a different cable. – Byte Commander Feb 09 '18 at 21:02
  • It could however also e.g. be a disk controller that doesn't work well with Linux, or maybe something fixable by a BIOS/firmware update.... Please [edit] your question and add the SMART status values and self-test results of the disk, maybe we know more then. – Byte Commander Feb 09 '18 at 21:07

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